зеркало из https://github.com/mozilla/gecko-dev.git
149 строки
3.8 KiB
C++
149 строки
3.8 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#ifndef MOZILLA_GFX_DRAWEVENTRECORDER_H_
|
|
#define MOZILLA_GFX_DRAWEVENTRECORDER_H_
|
|
|
|
#include "2D.h"
|
|
#include "RecordedEvent.h"
|
|
#include <ostream>
|
|
#include <fstream>
|
|
|
|
#if defined(_MSC_VER)
|
|
#include <unordered_set>
|
|
#else
|
|
#include <set>
|
|
#endif
|
|
|
|
namespace mozilla {
|
|
namespace gfx {
|
|
|
|
class PathRecording;
|
|
|
|
class DrawEventRecorderPrivate : public DrawEventRecorder
|
|
{
|
|
public:
|
|
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(DrawEventRecorderPrivate)
|
|
explicit DrawEventRecorderPrivate(std::ostream *aStream);
|
|
virtual ~DrawEventRecorderPrivate() { }
|
|
|
|
void WriteHeader();
|
|
|
|
void RecordEvent(const RecordedEvent &aEvent);
|
|
void WritePath(const PathRecording *aPath);
|
|
|
|
void AddStoredObject(const ReferencePtr aObject) {
|
|
mStoredObjects.insert(aObject);
|
|
}
|
|
|
|
void RemoveStoredObject(const ReferencePtr aObject) {
|
|
mStoredObjects.erase(aObject);
|
|
}
|
|
|
|
bool HasStoredObject(const ReferencePtr aObject) {
|
|
return mStoredObjects.find(aObject) != mStoredObjects.end();
|
|
}
|
|
|
|
void AddStoredFontData(const uint64_t aFontDataKey) {
|
|
mStoredFontData.insert(aFontDataKey);
|
|
}
|
|
|
|
bool HasStoredFontData(const uint64_t aFontDataKey) {
|
|
return mStoredFontData.find(aFontDataKey) != mStoredFontData.end();
|
|
}
|
|
|
|
protected:
|
|
std::ostream *mOutputStream;
|
|
|
|
virtual void Flush() = 0;
|
|
|
|
#if defined(_MSC_VER)
|
|
typedef std::unordered_set<const void*> ObjectSet;
|
|
typedef std::unordered_set<uint64_t> Uint64Set;
|
|
#else
|
|
typedef std::set<const void*> ObjectSet;
|
|
typedef std::set<uint64_t> Uint64Set;
|
|
#endif
|
|
|
|
ObjectSet mStoredObjects;
|
|
Uint64Set mStoredFontData;
|
|
};
|
|
|
|
class DrawEventRecorderFile : public DrawEventRecorderPrivate
|
|
{
|
|
public:
|
|
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(DrawEventRecorderFile)
|
|
explicit DrawEventRecorderFile(const char *aFilename);
|
|
~DrawEventRecorderFile();
|
|
|
|
/**
|
|
* Returns whether a recording file is currently open.
|
|
*/
|
|
bool IsOpen();
|
|
|
|
/**
|
|
* Opens new file with the provided name. The recorder does NOT forget which
|
|
* objects it has recorded. This can be used with Close, so that a recording
|
|
* can be processed in chunks. The file must not already be open.
|
|
*/
|
|
void OpenNew(const char *aFilename);
|
|
|
|
/**
|
|
* Closes the file so that it can be processed. The recorder does NOT forget
|
|
* which objects it has recorded. This can be used with OpenNew, so that a
|
|
* recording can be processed in chunks. The file must be open.
|
|
*/
|
|
void Close();
|
|
|
|
private:
|
|
virtual void Flush();
|
|
|
|
std::ofstream mOutputFile;
|
|
};
|
|
|
|
class DrawEventRecorderMemory final : public DrawEventRecorderPrivate
|
|
{
|
|
public:
|
|
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(DrawEventRecorderMemory)
|
|
|
|
/**
|
|
* Constructs a DrawEventRecorder that stores the recording in memory.
|
|
*/
|
|
DrawEventRecorderMemory();
|
|
|
|
/**
|
|
* @return the current size of the recording (in chars).
|
|
*/
|
|
size_t RecordingSize();
|
|
|
|
/**
|
|
* Copies at most aBufferLen chars of the recording into aBuffer.
|
|
*
|
|
* @param aBuffer buffer to receive the recording chars
|
|
* @param aBufferLen length of aBuffer
|
|
* @return true if copied successfully
|
|
*/
|
|
bool CopyRecording(char* aBuffer, size_t aBufferLen);
|
|
|
|
/**
|
|
* Wipes the internal recording buffer, but the recorder does NOT forget which
|
|
* objects it has recorded. This can be used so that a recording can be copied
|
|
* and processed in chunks, releasing memory as it goes.
|
|
*/
|
|
void WipeRecording();
|
|
|
|
private:
|
|
~DrawEventRecorderMemory() {};
|
|
|
|
void Flush() final;
|
|
|
|
std::stringstream mMemoryStream;
|
|
};
|
|
|
|
} // namespace gfx
|
|
} // namespace mozilla
|
|
|
|
#endif /* MOZILLA_GFX_DRAWEVENTRECORDER_H_ */
|